Card holder



FIG. 1 is a front elevational view of a card holder showing my new design, with the rear being a mirror image;

FIG. 2 is a left side elevational view thereof; the right side elevational view is identical;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a card holder, as shown and described. 